4428140225497 has 2 divisors, whose sum is σ = 4428140225498. Its totient is φ = 4428140225496.

The previous prime is 4428140225489. The next prime is 4428140225557. The reversal of 4428140225497 is 7945220418244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3316372430281 + 1111767795216 = 1821091^2 + 1054404^2 .

It is a cyclic number.

It is not a de Polignac number, because 4428140225497 - 2³ = 4428140225489 is a prime.

It is not a weakly prime, because it can be changed into another prime (4428140825497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2214070112748 + 2214070112749.

It is an arithmetic number, because the mean of its divisors is an integer number (2214070112749).

Almost surely, 2^{4428140225497} is an apocalyptic number.

It is an amenable number.

4428140225497 is a deficient number, since it is larger than the sum of its proper divisors (1).

4428140225497 is an equidigital number, since it uses as much as digits as its factorization.

4428140225497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5160960, while the sum is 52.

The spelling of 4428140225497 in words is "four trillion, four hundred twenty-eight billion, one hundred forty million, two hundred twenty-five thousand, four hundred ninety-seven".